 // 从后端得到的数据
 //模拟衣服
var my_skus = [
    {'skuno':'UU050787','颜色':'黑色','大小':'XL','款式':'短款','品牌':'阿迪','stock':'12','price':'79'},
    {'skuno':'HH150789','颜色':'红色','大小':'L','款式':'短款','品牌':'阿迪','stock':'12','price':'79'},
    {'skuno':'LL250786','颜色':'黑色','大小':'S','款式':'长款','品牌':'耐克','stock':'12','price':'79'},
    {'skuno':'DD350788','颜色':'蓝色','大小':'XL','款式':'短款','品牌':'阿迪','stock':'12','price':'79'},

];
var my_attr_array = {
    '颜色':['黑色','红色','蓝色'],
    '大小':['L','XL','XXL','S'],
    '款式':['短款','长款'],
    '品牌':['阿迪','耐克']
};